Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 4 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 04/29/2022   21:46:09   (  -0.13,-128.20) (   0.58,-124.99)  365.62                80
 05/01/2022   10:05:15   (   0.12,-128.14) (   0.61,-130.25)  240.72                80
 05/02/2022   09:49:10   (   0.12,-128.12) (  -0.39,-125.71)  273.57                80
 05/03/2022   22:08:26   (  -0.11,-128.10) (  -0.74,-131.02)  332.60                80
 05/04/2022   21:52:21   (  -0.12,-128.08) (   0.27,-126.49)  181.65                80
 05/06/2022   10:11:27   (   0.10,-128.01) (   0.92,-131.75)  425.20                80
 05/07/2022   09:55:21   (   0.11,-127.98) (  -0.09,-127.21)   88.54                80
 05/09/2022   21:55:50   (  -0.11,-127.92) (  -0.14,-127.97)    5.57                80
 05/12/2022   09:58:51   (   0.11,-127.83) (   0.31,-128.69)   98.74                80